Tn464E/F Option Settings - Avaya MCC1 Maintenance Procedures

Additional maintenance procedures

TN464E/F option settings

TN464E/F option settings
S8100 only
The TN464E/F DS1/E1 Interface - T1/E1 circuit pack interfaces between a 24- or 32-channel Central
Office/ISDN or tie trunk and the TDM bus.
Set the switches on the circuit pack to select bit rate and impedance match. See
settings on TN464E/F,
Table 94: Option switch settings on TN464E/F
120 Ohms
75 Ohms
32 Channel
24 Channel
Figure 118: TN464E/F option settings
Figure notes
1 Backplane connectors
2 24/32 channel selector
3 75/120 Ohm selector
4 Faceplate
390
on page 390 and Figure 118, TN464E/F option settings,
Twisted pair
Coaxial requiring 888B adapter
2.048 Mbps
1.544 Mbps
tn464_ef RPY 012098
5
6
7
1
2
4
6
5 7
3
32 channel
120 Ohm (shown selected)
24 channel (shown selected)
Table 94, Option switch
on page 390.
Maintenance Procedures
December 2003